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【单选题】
下大雨的时候，闪电一过，接着就要打雷，这种现象的解释是（ ）。A.
雷声是在闪电后产生的
B.
雷声是闪电的附属物
C.
闪电和雷同时产生，但闪电比雷声传播速度快
D.
打雷自然而然跟着闪电
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【单选题】百人大合唱训练时,如果有一两个人没来,小红感觉不出音量的变化;如果五六个人没来,小红能明显感觉到音量的变化。这种刚刚能使小红感觉到音量变化的最小差异称为( )。
A.
绝对感觉阈限
B.
绝对感受性
C.
差别感受阈限
D.
差感受性
【简答题】试简要评述柯恩的“多极世界”模型。
【单选题】百人大合唱训练时，如果有一两个人没来，小红感觉不出音量的变化；如果五六个人没来，小红能明显感觉到音量的变化。这种刚刚能使小红感觉到音量变化的最小差异称为( )。
A.
绝对感受阈限
B.
绝对感受性
C.
差别感受阈限
D.
差别感受性
【单选题】Geographers and historians have traditionally held the view that Antarctica was first sighted around 1820, but some sixteenth-century European maps show a body that resembles the polar landmass, even ...
A.
The question of who first sighted Antarctica in modern times is still much debated, and no one has been able to present conclusive evidence.
B.
Between 3,000 and 9,000 years ago, the world was warmer than it is now, and the polar landmass was presumably smaller.
C.
There are only a few sixteenth-century global maps that show a continental landmass at the South Pole.
D.
Most attributions of surprising accomplishments to ancient civilizations or even extraterrestrials are eventually discredited or rejected as preposterous.
E.
Ancient philosophers believed that there had to be a large landmass at the South Pole to balance the northern continents and make the world symmetrical.
【单选题】Madrid es una ciudad muy _____ con edificios muy chulos y muy nuevos.
A.
moderno
B.
moderna
C.
modernas
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